body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

h1 {
    text-align: center;
}

.btn {
    padding: 5px 10px;
    text-decoration: none;
    color: white;
    border-radius: 4px;
}

.btn-primary {
    background-color: #007bff;
}

.btn-warning {
    background-color: #ffc107;
}

.btn-danger {
    background-color: #dc3545;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

table th, table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

table th {
    background-color: #f8f9fa;
}
